Heart-sound screening in children. Use of a portable analog-digital computer (field study--Los Angeles 1966).
D002648:Child; D003201:Computers; D003203:Computers, Hybrid / Q000706:statistics & numerical data; D006326:Heart Auscultation / Q000295:instrumentation*; D006331:Heart Diseases / Q000175:diagnosis*; D006801:Humans; D008403:Mass Screening